ChordA137-string bass · Standard A dominant thirteenth · Frets 4–6 BEADGCF4R3♭73139noteAC♯GC♯F♯BroleR3♭73139fret545666frets 4–6C0C1C2C3C4C5RootA1stC♯2ndE3rdG StrumArpeggio